Antimetabole is a rhetorical device where a word or a phrase in one clause or phrase is repeated in the opposite order in the next clause or phrase:The absence of evidence is not the evidence of absen [..]

1590s, from Greek antimetabole, from anti- "opposite" (see anti-) + metabole "turning about" (see metabolism).

figure of emphasis in which the words in one phrase or clause are replicated, exactly or closely, in reverse grammatical order in the next phrase or clause. It is similar to chiasmus although chiasmus does not use repetition of the same words or phrases. Example:

Reversal of the order of repeated words or phrases (a loosely chiastic structure, AB-BA) to intensify the final formulation, to present alternatives, or to show contrast: All work and no play is as harmful to mental health as all play and no work.

(rhetoric) The technique of reversal, where accentuated by reversal of words, actions or grammatical structure. * '''2008''', Michael E Eidenmuller, ''Great Speeches For Better Speaking'', page 92 [..]